I think I found it Marion!

Blond Brownies

1 cup butter or margarine, softened
1 1/2 cup brown sugar
1 tsp. vanilla
2 eggs, beaten
2 1/4 cups all-purpose flour
1 tsp. baking soda
1 tsp. salt
1 (12 oz.) pkg. chocolate chips

Preheat oven to 375F.

Cream together butter, brown sugar and vanilla. Stir in eggs.

Sift together flour, baking soda and salt. Add gradually to creamed mixture.

Spread batter on greased cookie sheet. Sprinkle chips on top.

Place in preheated oven and after first 5 minutes of baking, use knife to swirl chips into batter. Return to oven and continue baking 15-20 minutes or until done. Cool, then cut in squares.

Makes about 35
Source: Cookbook USA